极薄带钢搭接焊热影响区断带问题分析与改善
孙宁波
Analysis and improvement for strip breakage in HAZ of lap welding of ultra thin strip steel
SUN Ning-bo
中国冶金 . 2021, (7): 112 -115 .  DOI: 10.13228/j.boyuan.issn1006-9356.20200642